<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'
import {findType} from '@/api/good'
const animationDuration = 6000

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null,
      nameList:[],
      count:[]

    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
   },
   created() {
   this.findType();
  },

  methods: {

    async findType() {
      const res = await findType()
      this.nameList = res.data.nameList,
      this.count=res.data.count
        //动态插入数据时，数据在这里设置更新
                this.chart.setOption({
                  xAxis: {
                    data: this.nameList
                  },
                  series: [
                  {
                    name: '类型数量',
                    data: this.count,
                  }]
                });

    },

    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.chart.setOption({
        tooltip: {
          trigger: 'axis',
          axisPointer: { // 坐标轴指示器，坐标轴触发有效
            type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        grid: {
          top: 10,
          left: '2%',
          right: '2%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          type: 'category',
          data: this.nameList,
          axisTick: {
            alignWithLabel: true
          }
        }],

        yAxis: [{
          type: 'value',
          axisTick: {
            show: false
          }
        }],
        series: [ {
          name: '资料类型',
          type: 'bar',
          stack: 'vistors',
          barWidth: '70%',
          data: this.count,
          animationDuration
        }]
      })
    }
  }
}
</script>
